EP1981725A1 - Dispositif antiderapant situe dans une rainure circonferentielle d'un pneu - Google Patents

Dispositif antiderapant situe dans une rainure circonferentielle d'un pneu

Info

Publication number
EP1981725A1
EP1981725A1 EP07703789A EP07703789A EP1981725A1 EP 1981725 A1 EP1981725 A1 EP 1981725A1 EP 07703789 A EP07703789 A EP 07703789A EP 07703789 A EP07703789 A EP 07703789A EP 1981725 A1 EP1981725 A1 EP 1981725A1
Authority
EP
European Patent Office
Prior art keywords
contact
elements
skid device
contact elements
tire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07703789A
Other languages
German (de)
English (en)
Other versions
EP1981725B1 (fr
Inventor
Konstantinos Roussos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GR20060100072A external-priority patent/GR20060100072A/el
Priority claimed from GR20060100258A external-priority patent/GR1005635B/el
Application filed by Individual filed Critical Individual
Publication of EP1981725A1 publication Critical patent/EP1981725A1/fr
Application granted granted Critical
Publication of EP1981725B1 publication Critical patent/EP1981725B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C27/00—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels
    • B60C27/20—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels having ground-engaging plate-like elements

Definitions

  • the invention refers to anti-skid devices for car tires.
  • the device may be applied on any type of vehicle wheels, and in particular on wheels of passenger cars.
  • the object of the invention is to improve safety of vehicles on slippery traveling on slippery ground, so that to resolve the problems that are associated with the use of known antiskid devices.
  • the anti-skid device for tires according to the invention is defined in independent claim 1 .
  • the anti-skid device comprises a plurality of contact elements, with each one of the contact elements having an inner face to contact the tire and an outer face to contact the ground, whereby the inner face of the contact-elements has a web.
  • the anti-skid device improves the adhesion of the wheel to the surface of an icy, wet or slippery road, or more generally ground, decreases the vibrations and facilitates braking and turning.
  • the installation of the device around the wheel is simple and its application has a universal character, i.e. the anti-skid device may be applied around wheels of various dimensions and of various types of vehicles. Further it may be used also when the conditions of the surface of the road are normal, i.e. the surface is not slippery. This adds a further advantage, because the driver does not need to install and remove it whenever the conditions of the road surface change, as for example when the car enters or exits a tunnel.
  • the two ends of the anti-skid device have engagable locking means to engage the two ends of the anti-skid device so that the contact elements form a closed-shaped flexible ring structure to be fitted, in use, around the tire.
  • the locking means are arranged in the contact elements that are located adjacent to each one of the two ends, of the anti-skid device.
  • the anti-skid device has tensioning means to apply tension and to press the antiskid device on the tread of the tire.
  • the outer surface of the contact elements may have a protrusion to contact the ground.
  • the protrusion is penetrated by a hole with open ends, which is arranged parallel to the webs.
  • a spring is provided through the said holes. The spring has a dual function: it keeps the contact elements together and it provides the tension that presses the anti-skid device around the tire.
  • spring elements may be optionally provided to improve the adhesion of the tire to the ground.
  • these spring elements are arranged in cavities formed on the outer surface of the contact elements. If an anti skid device contains both a) a spring that keeps the contact elements together, and b) spring elements to improve the adhesion to the ground, the spring elements have a larger diameter, so that they could be arranged around the spring that keeps the contact elements together.
  • At least two adjacent contact-elements are formed as a single cast module.
  • the webs of these adjacent contact elements form a single continuous web that joins them together.
  • a module comprises five contact elements.
  • the contact elements may be manufactured by plastic, for example polyurethane, metal or any other material that provide adequate strength.
  • Figure 1 shows one preferable embodiment of a contact element of the anti-skid device.
  • Figure 2 shows a side of the contact element.
  • Figure 3 shows the outer face of five consecutive contact elements with a spring passing through them.
  • Figure 4 shows a side of a terminal contact element.
  • Figure 5 shows the outer face of a terminal contact element, i.e. the face that comes in contact with the ground when the anti-skid device is applied around the tread of a tire.
  • Figure 6 shows a mode of joining the terminal contact elements.
  • Figure 7 shows a single cast module with five contact elements.
  • Figure 8 shows a single cast module with five contact elements, whereby one of the contact elements is a terminal contact element.
  • Figure 9 shows an anti-skid device according to the invention applied around the tread of a tire.
  • Figure 10 shows a photograph of a tire with an anti-skid device according to the invention.
  • An embodiment of an anti-skid device comprises contact elements 5, such as the contact element 5 that is shown in figure 1.
  • the element has a base 52 having a shape of a parallelepiped, with an inner face that contacts the tread of the tire and an opposite outer face that contacts the ground.
  • the edge of the rectangular face of the embodiment of figure 1 is approximately 45 mm and the thickness of the parallelepiped is approximately 3 to 4 mm.
  • the inner face of the contact element 5, i.e. the face that comes in contact with the tread of the wheel has a web 7, which is to be fitted within the circumferential groove of the tread of the tire.
  • the outer face of the contact element 5, i.e. the face that contacts the ground, has a protrusion 51 , located in its centre.
  • the protrusion 51 has a longitudinal cylindrical hole 53, which is arranged parallel to the web 7. Between the protrusion 51 and the four peaks of the rectangular outer face there are four ribs 55 that stiffen the element 5. According to the embodiment of figure 7 the height of the ribs 55 decreases towards the peaks of the rectangular face. Four cavities 57 are formed between ribs 55. Two, out of the four cavities 57 communicate via the open ended cylindrical hole 53.
  • the height of the embodiment of the contact element of figure 1 i.e. the distance from the free edge of the web 7 to the top of the protrusion 51 is approximately 18 mm.
  • the anti-skid device consists of a plurality of contact elements 5, arranged in a row, one next to another along a line, with the webs 7 disposed along the same line.
  • the elements 5 are connected with a spring 9.
  • the two ends of the anti-skid device have engagable locking means to lock its ends, so that the contact elements form a closed-shaped flexible structure to be fitted, in use, around the tire.
  • the locking means are arranged in the contact elements that are located adjacent to each one of the two ends, of the antiskid device, as described below.
  • the spring 9 is passing through the cylindrical holes 53, which penetrate the protrusions 51 of the contact elements 5.
  • Figure 3 shows five consecutive contact elements connected by the spring 9. Each one of the two ends of the spring 9 is anchored to its respective terminal contact element 6.
  • the terminal contact elements 6 are presented in figures 4, 5, 6, 8.
  • the terminal contact element 6 has an inner face that contacts the tread of the tire and an opposite outer face that contacts the ground.
  • the inner face of the terminal contact element 6, i.e. the face that comes in contact with the tread of the tire has a web 7, which is fitted, in use, within the groove of the tread of the tire.
  • the face that comes in contact with the ground has a protrusion 61 on its centre, and two ears 65 disposed one to the left and the other to the right of the protrusion 61.
  • a cylindrical hole 63 penetrates the protrusion 61 , which when the anti-skid device is in place, is disposed approximately along the same line with the respective cylindrical hole 53 of the adjacent contact element.
  • Each end of the spring 9 is anchored within a hole 63 of a terminal element. The end of the spring may be maintained in its anchoring position via anchoring means.
  • a hole 68 is provided in each of the ears 65.
  • the terminal contact element 6 is cast and made of polyurethane, similarly to the contact element 5.
  • the anti-skid device is assembled as presented below: The first time that the user wishes to put the anti-skid around a wheel, he or she will join the two terminal contact elements 6 using the locking means that are provided at the ends of the anti-skid device.
  • the locking means are provided on the terminal contact elements 6. These locking means comprise bolts and nuts that pass through the holes 68 formed in the ears 65 of the terminal contact elements 6.
  • the contact elements 5 and 6 form a flexible ring structure with a closed cross-section, to be fitted around the tread of the tire. The flexibility of the structure allows it to be fitted around the wheel and to follow the deformations of the wheel as it moves on any ground or road.
  • the anti-skid device has an inner surface and an outer surface.
  • the inner surface of the anti-skid device consists of the inner surfaces of the contact elements 5 and the terminal contact elements 6 and the outer surface of the anti-skid device consists of the outer surfaces of the contact elements 5 and the terminal contact elements 6.
  • the webs 7 are disposed along the circumference of the inner surface and the protrusions 51 and the ribs 55 in the outer surface of the anti-skid device. The webs 7 will be inserted within the circumferential groove of he tread of the wheel and will guide the anti-skid device in its position around the wheel of the vehicle. When the device is placed around the wheel the protrusions 51 and the ribs 55 will contact the surface of the road or the ground.
  • the anti-skid device may be applied to wheels having different dimensions, by selecting the appropriate number of contact elements.
  • the anti-skid device is now ready to be applied around the wheel:
  • the anti-skid device is easily fitted to the wheel of a car by simply placing the device over the upper part of the tire, namely the part of the tire that is not in contact with the ground, and fitting the webs 7 within the circumferential groove or grooves of the tread.
  • the hanging part of the device is then left to hang between the tread of the tire and the ground.
  • the wheel turns and the part of the device that is not fitted around the tread, i.e. the hanging part, is also fitted around it.
  • the anti-skid device is installed along the whole periphery of the tread.
  • the tension of the spring 9 increases the pressure between the tire and the anti-skid device and further secures the device in position around the tread of the wheel.
  • Figure 6 presents an example of tensioning means, other than the spring 9, which develop a tension along the anti-skid device and presses the device towards the tread of the wheel. These means function between the two terminal contact elements 6 or between any adjacent contact elements of the anti-skid device.
  • FIG 6 shows that the two terminal contact elements are kept to together by two springs 69, which springs are passing through the holes 68 of the contact elements 6. The ends of these springs are anchored to anchoring means 67, which are attached to the terminal contact elements 6. When the terminal contact elements are joined and the anti-skid device assembled, the springs 69 are in tension within the holes 68.
  • the spring 9 may be substituted by one or more metal sheets or by any other means that may keep the contact elements together, such as a cable.
  • each pair of adjacent contact elements are kept together by a thin metal sheet anchored in these contact elements.
  • a further embodiment of an anti-skid device in accordance with the invention, which offers further advantages, is presented in figures 7 and 8.
  • five contact elements are formed as a single cast element, i.e. module 1.
  • Module 1 is made of polyurethane and is cast.
  • the webs 7 are formed by one single continuous web that has a double function: it is fitted within the groove of the tread of the tire and guides the anti-skid device in position on one hand, and keeps the five contact elements together on the other.
  • FIG. 7 presents a module 1', which consists of four contact elements 5 and a terminal contact element 6.
  • Module T is cast, it is made of polyurethane and the webs 7 of the four contact elements 5 and the terminal contact element 6 is a single continuous web.
  • Figure 9 presents an anti-skid device which consists of modules 1 and 1 ' fitted around a tire of a vehicle having a groove 2.
  • FIG. 3 shows two spring elements 8 located in two cavities 57.
  • Spring elements 8 may optionally provided in all cavities and may be placed around spring 9. If the spring elements 8 are placed around spring 9, spring elements 8 have a larger diameter and a shorter length than the diameter and length of spring 9. The use of spring elements 8 improve the adhesion of the wheels to the surface of the road.
  • the embodiment that is presented has dimensions that allow it to be used in various types of tires.
  • the contact elements may be manufactured by plastic, for example polyurethane, metal or any other material that provide adequate strength.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
EP07703789A 2006-02-07 2007-01-11 Dispositif antiderapant situe dans une rainure circonferentielle d'un pneu Active EP1981725B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GR20060100072A GR20060100072A (el) 2006-02-07 2006-02-07 Αντιολισθητικο συστημα χιονιου
GR20060100258A GR1005635B (el) 2006-05-03 2006-05-03 Αντιολισθητικο συστημα τροχου
PCT/EP2007/050244 WO2007090706A1 (fr) 2006-02-07 2007-01-11 Dispositif antiderapant situe dans une rainure circonferentielle d'un pneu

Publications (2)

Publication Number Publication Date
EP1981725A1 true EP1981725A1 (fr) 2008-10-22
EP1981725B1 EP1981725B1 (fr) 2010-02-17

Family

ID=37944361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07703789A Active EP1981725B1 (fr) 2006-02-07 2007-01-11 Dispositif antiderapant situe dans une rainure circonferentielle d'un pneu

Country Status (5)

Country Link
US (1) US20090038724A1 (fr)
EP (1) EP1981725B1 (fr)
AT (1) ATE457883T1 (fr)
DE (1) DE602007004826D1 (fr)
WO (1) WO2007090706A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011008411A1 (de) * 2011-01-12 2012-07-12 Bernhard Spindler Gleitschutzvorrichtung
US11752949B2 (en) * 2021-11-03 2023-09-12 A Wood Products LLC Mounting system for securing items to a spare tire

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US468971A (en) * 1892-02-16 Wheel-tire
US1311720A (en) * 1919-07-29 Detachable automobile-tire tread
US1489318A (en) * 1924-04-08 Traction
US1021307A (en) * 1911-01-25 1912-03-26 Luke G Fleming Vehicle wheel-tire.
US1054980A (en) * 1912-04-03 1913-03-04 Ralph L Morgan Tire attachment.
US1244244A (en) * 1913-01-17 1917-10-23 Locomotive Company Of America Antiskidding device.
US1264500A (en) * 1915-01-09 1918-04-30 Charles A Gilemeyer Automobile-tire.
FR486298A (fr) * 1917-02-07 1918-03-20 Irvine Brook Dispositif antidérapant, pour bandages de roues de véhicules
GB125882A (en) * 1917-10-13 1919-05-01 Thomas Henry Gyton Improvements in and connected with Attachments for the Protection of Pneumatic and Resilient Tyres and the Prevention of Skidding.
GB124056A (en) * 1918-03-15 1919-03-17 James Henry Green Improved Metallic Non-skidding and Protecting Device for Pneumatic Tyres.
US1600589A (en) * 1925-03-21 1926-09-21 L C Harward Traction device
US1810854A (en) * 1926-05-25 1931-06-16 Rimailho Emile Elastic wheel with flexible rim
US1837708A (en) * 1928-06-25 1931-12-22 Frank Jacob Extricating and nonskid device for vehicle wheels
US2106670A (en) * 1937-10-11 1938-01-25 Thomas M Walker Antiskid overshoe
US2262349A (en) * 1939-06-24 1941-11-11 Webster Russell Henry Road grip for vehicle tires
US2376802A (en) * 1942-04-10 1945-05-22 Malcolm W Morse Endless traction tread mechanism for vehicles
US2655971A (en) * 1949-02-01 1953-10-20 Elizabeth Neufeld Antiskid device
US2977158A (en) * 1960-03-28 1961-03-28 Glenn R Iblings Traction device
US3043356A (en) * 1961-10-13 1962-07-10 Kenneth W Mayhercy Tire-traction device
US3230998A (en) * 1964-06-01 1966-01-25 Cegno Joseph H Del Road tire runner
US3400744A (en) * 1965-10-23 1968-09-10 Muller Arno Gerhard Cleated pneumatic tire
US3797549A (en) * 1972-06-12 1974-03-19 F Lieberum Detachable tread devices for automobile tires
US4334566A (en) * 1977-05-04 1982-06-15 Leo Augustine Tire traction device
FR2540793B1 (fr) * 1983-02-16 1985-11-22 Sepheriades Jean Dispositif antiderapant pour bandage pneumatique de vehicule automobile
DE8432310U1 (de) * 1984-11-05 1985-01-31 Felasto Pur GmbH & Co KG, 2855 Beverstedt Gleiskette fuer baufahrzeuge oder dgl.
US5170827A (en) * 1987-06-12 1992-12-15 Alfred Urleb Detachable anti-skid chain for a vehicle wheel
US5020865A (en) * 1988-01-20 1991-06-04 Edwards, Harper, Mcnew & Company Endless drive track joint assembly
FR2715892B1 (fr) * 1994-02-07 1996-05-03 Peugeot Dispositif antidérapant pour pneumatique de véhicule automobile.
US6035912A (en) * 1998-03-03 2000-03-14 Burns Bros., Inc. Tire chain cross member assemblies and tire chains using the same

Non-Patent Citations (1)

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Title
See references of WO2007090706A1 *

Also Published As

Publication number Publication date
WO2007090706A1 (fr) 2007-08-16
DE602007004826D1 (de) 2010-04-01
EP1981725B1 (fr) 2010-02-17
US20090038724A1 (en) 2009-02-12
ATE457883T1 (de) 2010-03-15

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